/* ============================
   长城娱乐 - 琉璃极光设计系统
   风格：玻璃态 + 渐变流动 + 极光色彩
   ============================ */

/* 基础重置 */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: system-ui, 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
    overflow-x: hidden;
    background: #FAFAFE;
    color: #1a1a2e;
    line-height: 1.6;
}

/* 滚动条定制 */
::-webkit-scrollbar {
    width: 8px;
}
::-webkit-scrollbar-track {
    background: #F0EEFF;
    border-radius: 4px;
}
::-webkit-scrollbar-thumb {
    background: linear-gradient(135deg, #2EC4B6, #8B5CF6);
    border-radius: 4px;
}

/* 选中文本 */
::selection {
    background: #2EC4B6;
    color: #fff;
}

/* 核心布局 — 必须居中 */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: 100px 0;
    position: relative;
}

.section:nth-child(even) {
    background: linear-gradient(135deg, #F8F6FF 0%, #F0FDF4 100%);
}

/* 装饰性背景光晕 */
.section::before {
    content: '';
    position: absolute;
    top: -20%;
    right: -10%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(46, 196, 182, 0.08) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.section:nth-child(even)::before {
    background: radial-gradient(circle, rgba(139, 92, 246, 0.08) 0%, transparent 70%);
    top: auto;
    bottom: -10%;
    left: -10%;
}

/* ============================
   导航 — 固定顶部（玻璃态）
   ============================ */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.72);
    backdrop-filter: blur(20px) saturate(1.2);
    -webkit-backdrop-filter: blur(20px) saturate(1.2);
    border-bottom: 1px solid rgba(46, 196, 182, 0.15);
    box-shadow: 0 4px 30px rgba(0, 0, 0, 0.03);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.3rem;
    text-decoration: none;
    color: #1a1a2e;
    letter-spacing: -0.5px;
    background: linear-gradient(135deg, #2EC4B6, #8B5CF6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
    background: linear-gradient(135deg, #2EC4B6, #8B5CF6);
    color: #fff;
    -webkit-text-fill-color: #fff;
    box-shadow: 0 4px 12px rgba(46, 196, 182, 0.25);
}

.main-nav {
    display: flex;
    align-items: center;
    gap: 32px;
    list-style: none;
}

.main-nav a {
    text-decoration: none;
    font-size: 0.9rem;
    font-weight: 500;
    color: #4a4a6a;
    transition: all 0.3s ease;
    position: relative;
    padding: 4px 0;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, #2EC4B6, #8B5CF6);
    transition: width 0.3s ease;
    border-radius: 2px;
}

.main-nav a:hover {
    color: #1a1a2e;
}

.main-nav a:hover::after {
    width: 100%;
}

.nav-cta {
    padding: 10px 24px !important;
    border-radius: 50px !important;
    color: #fff !important;
    font-weight: 600 !important;
    background: linear-gradient(135deg, #2EC4B6, #8B5CF6) !important;
    box-shadow: 0 4px 16px rgba(46, 196, 182, 0.3);
    transition: all 0.3s ease !important;
}

.nav-cta::after {
    display: none !important;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(46, 196, 182, 0.4) !important;
    color: #fff !important;
}

.menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border: none;
    background: rgba(46, 196, 182, 0.1);
    border-radius: 10px;
    cursor: pointer;
    font-size: 1.2rem;
    color: #2EC4B6;
    align-items: center;
    justify-content: center;
    transition: 0.3s;
}

.menu-toggle:hover {
    background: rgba(46, 196, 182, 0.2);
}

/* ============================
   首页Hero — 琉璃极光
   ============================ */
.hero {
    min-height: 90vh;
    display: flex;
    align-items: center;
    position: relative;
    background: linear-gradient(135deg, #FAFAFE 0%, #F5F3FF 40%, #F0FDF4 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -30%;
    right: -15%;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(46, 196, 182, 0.12) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    animation: heroGlow 8s ease-in-out infinite alternate;
}

.hero::after {
    content: '';
    position: absolute;
    bottom: -20%;
    left: -10%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(139, 92, 246, 0.1) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
    animation: heroGlow 10s ease-in-out infinite alternate-reverse;
}

@keyframes heroGlow {
    0% { transform: scale(1) translate(0, 0); opacity: 0.6; }
    100% { transform: scale(1.2) translate(30px, -30px); opacity: 1; }
}

.hero-content {
    max-width: 720px;
    position: relative;
    z-index: 2;
}

.hero-eyebrow {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 700;
    padding: 6px 18px;
    border-radius: 50px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, rgba(46, 196, 182, 0.12), rgba(139, 92, 246, 0.12));
    color: #2EC4B6;
    letter-spacing: 2px;
    text-transform: uppercase;
    border: 1px solid rgba(46, 196, 182, 0.2);
    backdrop-filter: blur(4px);
}

.hero h1 {
    font-size: 3.6rem;
    line-height: 1.15;
    margin-bottom: 20px;
    font-weight: 900;
    letter-spacing: -1.5px;
    background: linear-gradient(135deg, #1a1a2e 0%, #2EC4B6 50%, #8B5CF6 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero p {
    font-size: 1.15rem;
    opacity: 0.65;
    max-width: 560px;
    margin-bottom: 36px;
    line-height: 1.7;
    color: #4a4a6a;
}

.hero-buttons {
    display: flex;
    gap: 16px;
}

.hero-image {
    border-radius: 20px;
    overflow: hidden;
    position: relative;
    z-index: 2;
    box-shadow: 0 20px 60px rgba(46, 196, 182, 0.15), 0 8px 24px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.4);
    background: linear-gradient(135deg, rgba(46, 196, 182, 0.05), rgba(139, 92, 246, 0.05));
}

.hero-image img {
    width: 100%;
    height: auto;
    display: block;
    mix-blend-mode: multiply;
    opacity: 0.9;
}

/* ============================
   按钮 — 琉璃质感
   ============================ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 50px;
    font-weight: 600;
    cursor: pointer;
    border: none;
    text-decoration: none;
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    font-size: 0.95rem;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.6s ease;
}

.btn:hover::before {
    left: 100%;
}

.btn-primary {
    color: #fff;
    background: linear-gradient(135deg, #2EC4B6, #8B5CF6);
    box-shadow: 0 4px 20px rgba(46, 196, 182, 0.35);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(46, 196, 182, 0.45);
}

.btn-outline {
    background: transparent;
    border: 2px solid rgba(46, 196, 182, 0.3);
    color: #2EC4B6;
}

.btn-outline:hover {
    border-color: #2EC4B6;
    background: rgba(46, 196, 182, 0.05);
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(46, 196, 182, 0.15);
}

/* ============================
   标签/标题 — 极光风格
   ============================ */
.section-label {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 3px;
    margin-bottom: 14px;
    text-transform: uppercase;
    background: linear-gradient(90deg, #2EC4B6, #8B5CF6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-title {
    font-size: 2.4rem;
    margin-bottom: 16px;
    font-weight: 800;
    letter-spacing: -0.5px;
    line-height: 1.2;
    color: #1a1a2e;
}

.section-desc {
    max-width: 600px;
    opacity: 0.6;
    margin-bottom: 48px;
    font-size: 1.05rem;
    color: #4a4a6a;
    line-height: 1.7;
}

/* ============================
   卡片网格 — 琉璃卡片
   ============================ */
.cards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 28px;
}

.category-card {
    border-radius: 16px;
    padding: 32px 28px;
    border: 1px solid rgba(46, 196, 182, 0.1);
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(10px);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
    position: relative;
    overflow: hidden;
}

.category-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #2EC4B6, #8B5CF6);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.category-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(46, 196, 182, 0.12), 0 4px 12px rgba(0, 0, 0, 0.04);
    border-color: rgba(46, 196, 182, 0.2);
    background: rgba(255, 255, 255, 0.9);
}

.category-card:hover::before {
    opacity: 1;
}

.card-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 18px;
    font-size: 1.4rem;
    background: linear-gradient(135deg, rgba(46, 196, 182, 0.12), rgba(139, 92, 246, 0.12));
    color: #2EC4B6;
    transition: all 0.3s ease;
}

.category-card:hover .card-icon {
    background: linear-gradient(135deg, rgba(46, 196, 182, 0.2), rgba(139, 92, 246, 0.2));
    transform: scale(1.05);
}

.category-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: #1a1a2e;
}

.category-card p {
    font-size: 0.9rem;
    opacity: 0.6;
    line-height: 1.6;
    margin-bottom: 16px;
    color: #4a4a6a;
}

.card-link {
    font-weight: 600;
    font-size: 0.85rem;
    text-decoration: none;
    color: #2EC4B6;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.3s ease;
}

.card-link:hover {
    gap: 12px;
    color: #8B5CF6;
}

/* ============================
   特性块 — 左右布局
   ============================ */
.feature-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.feature-image {
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 16px 48px rgba(46, 196, 182, 0.1);
    border: 1px solid rgba(46, 196, 182, 0.08);
    background: linear-gradient(135deg, rgba(46, 196, 182, 0.04), rgba(139, 92, 246, 0.04));
}

.feature-image img {
    width: 100%;
    height: auto;
    display: block;
    mix-blend-mode: multiply;
    opacity: 0.9;
}

.feature-text h3 {
    font-size: 1.8rem;
    font-weight: 800;
    margin-bottom: 16px;
    color: #1a1a2e;
}

.feature-text p {
    opacity: 0.6;
    line-height: 1.7;
    margin-bottom: 20px;
    color: #4a4a6a;
}

.feature-list {
    list-style: none;
}

.feature-list li {
    padding: 8px 0;
    display: flex;
    align-items: center;
    gap: 12px;
    font-weight: 500;
    color: #1a1a2e;
}

.feature-list li::before {
    content: '✦';
    font-weight: 700;
    color: #2EC4B6;
    font-size: 1.1rem;
}

/* ============================
   数据条 — 极光数据
   ============================ */
.stats-bar {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
    text-align: center;
}

.stat-item {
    padding: 32px 24px;
    border-radius: 16px;
    border: 1px solid rgba(46, 196, 182, 0.1);
    background: rgba(255, 255, 255, 0.6);
    backdrop-filter: blur(8px);
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 36px rgba(46, 196, 182, 0.1);
    border-color: rgba(46, 196, 182, 0.2);
}

.stat-number {
    font-size: 2.6rem;
    font-weight: 900;
    background: linear-gradient(135deg, #2EC4B6, #8B5CF6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1.2;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.55;
    margin-top: 8px;
    font-weight: 500;
    color: #4a4a6a;
}

/* ============================
   内容墙 — 新闻/博客
   ============================ */
.content-wall {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 28px;
}

.content-wall-item {
    border-radius: 16px;
    overflow: hidden;
    border: 1px solid rgba(46, 196, 182, 0.08);
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(8px);
    transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.content-wall-item:hover {
    transform: translateY(-6px);
    box-shadow: 0 16px 48px rgba(46, 196, 182, 0.1);
    border-color: rgba(46, 196, 182, 0.15);
}

.content-wall-item img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.content-wall-item:hover img {
    transform: scale(1.03);
}

.content-wall-body {
    padding: 24px;
}

.content-wall-body .tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 600;
    padding: 3px 12px;
    border-radius: 50px;
    background: rgba(46, 196, 182, 0.1);
    color: #2EC4B6;
    margin-bottom: 10px;
    letter-spacing: 0.5px;
}

.content-wall-body h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
    color: #1a1a2e;
    line-height: 1.4;
}

.content-wall-body p {
    font-size: 0.88rem;
    opacity: 0.55;
    line-height: 1.6;
    color: #4a4a6a;
}

.content-wall-body .read-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    margin-top: 12px;
    font-weight: 600;
    font-size: 0.82rem;
    color: #2EC4B6;
    text-decoration: none;
    transition: gap 0.3s ease;
}

.content-wall-body .read-more:hover {
    gap: 12px;
    color: #8B5CF6;
}

/* ============================
   FAQ — 琉璃手风琴
   ============================ */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    border: 1px solid rgba(46, 196, 182, 0.1);
    border-radius: 14px;
    margin-bottom: 10px;
    overflow: hidden;
    cursor: pointer;
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(4px);
    transition: all 0.3s ease;
}

.faq-item:hover {
    border-color: rgba(46, 196, 182, 0.2);
    background: rgba(255, 255, 255, 0.7);
}

.faq-item .faq-question {
    padding: 18px 24px;
    font-weight: 600;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #1a1a2e;
    font-size: 1.05rem;
    transition: color 0.3s ease;
}

.faq-item .faq-question::after {
    content: '↓';
    font-size: 0.9rem;
    opacity: 0.4;
    transition: transform 0.3s ease, opacity 0.3s ease;
    color: #2EC4B6;
}

.faq-item.open .faq-question::after {
    transform: rotate(180deg);
    opacity: 0.8;
}

.faq-item .faq-answer {
    padding: 0 24px 18px;
    display: none;
    opacity: 0.6;
    line-height: 1.7;
    color: #4a4a6a;
    font-size: 0.95rem;
}

.faq-item.open .faq-answer {
    display: block;
    animation: faqSlide 0.35s ease;
}

@keyframes faqSlide {
    from { opacity: 0; transform: translateY(-8px); }
    to { opacity: 0.6; transform: translateY(0); }
}

/* ============================
   CTA横幅 — 极光渐变
   ============================ */
.cta-banner {
    padding: 64px 32px;
    text-align: center;
    border-radius: 20px;
    color: #fff;
    background: linear-gradient(135deg, #2EC4B6, #8B5CF6);
    box-shadow: 0 20px 60px rgba(46, 196, 182, 0.25);
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at 30% 50%, rgba(255, 255, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.cta-banner h2 {
    color: #fff;
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 14px;
    position: relative;
}

.cta-banner p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.05rem;
    margin-bottom: 28px;
    position: relative;
    max-width: 500px;
    margin-left: auto;
    margin-right: auto;
}

.cta-banner .btn-primary {
    background: #fff;
    color: #2EC4B6;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
}

.cta-banner .btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.15);
    color: #8B5CF6;
}

/* ============================
   页脚 — 深色琉璃
   ============================ */
.site-footer {
    padding: 64px 0 32px;
    background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
    color: rgba(255, 255, 255, 0.8);
    position: relative;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #2EC4B6, #8B5CF6, #2EC4B6);
    background-size: 200% 100%;
    animation: footerGradient 4s ease-in-out infinite;
}

@keyframes footerGradient {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
}

.footer-brand h3 {
    font-size: 1.4rem;
    font-weight: 800;
    margin-bottom: 12px;
    background: linear-gradient(135deg, #2EC4B6, #8B5CF6);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-brand p {
    opacity: 0.5;
    font-size: 0.9rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.6);
}

.footer-col h4 {
    font-size: 0.95rem;
    font-weight: 700;
    margin-bottom: 16px;
    color: #fff;
    letter-spacing: 0.5px;
}

.footer-col ul {
    list-style: none;
}

.footer-col ul li {
    margin-bottom: 8px;
}

.footer-col ul li a {
    color: rgba(255, 255, 255, 0.5);
    text-decoration: none;
    font-size: 0.88rem;
    transition: color 0.3s ease, padding-left 0.3s ease;
}

.footer-col ul li a:hover {
    color: #2EC4B6;
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    margin-top: 48px;
    padding-top: 24px;
    text-align: center;
    font-size: 0.82rem;
    opacity: 0.4;
    color: rgba(255, 255, 255, 0.5);
}

/* ============================
   工具类
   ============================ */
.text-accent {
    color: #2EC4B6;
    font-weight: 600;
}

.text-center {
    text-align: center;
}

.seo-description {
    max-width: 600px;
    margin: 0 auto 52px;
    opacity: 0.55;
    font-size: 1.05rem;
    line-height: 1.7;
    color: #4a4a6a;
}

.mt-0 {
    margin-top: 0;
}

.mb-0 {
    margin-bottom: 0;
}

/* ============================
   响应式设计
   ============================ */
@media (max-width: 1024px) {
    .hero h1 {
        font-size: 2.8rem;
    }
    .section-title {
        font-size: 2rem;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
}

@media (max-width: 768px) {
    .header-inner {
        height: 64px;
    }

    .main-nav {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .main-nav.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 64px;
        left: 0;
        width: 100%;
        background: rgba(255, 255, 255, 0.98);
        backdrop-filter: blur(20px);
        padding: 24px 32px;
        gap: 16px;
        box-shadow: 0 20px 48px rgba(0, 0, 0, 0.08);
        border-bottom: 1px solid rgba(46, 196, 182, 0.1);
    }

    .main-nav.open a {
        font-size: 1rem;
        padding: 8px 0;
    }

    .hero {
        min-height: 70vh;
        padding-top: 80px;
    }

    .hero h1 {
        font-size: 2.2rem;
    }

    .hero p {
        font-size: 1rem;
    }

    .feature-block {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .stats-bar {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }

    .section {
        padding: 60px 0;
    }

    .cta-banner h2 {
        font-size: 1.6rem;
    }
}

@media (max-width: 480px) {
    .cards-grid,
    .content-wall,
    .stats-bar {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }

    .hero-buttons {
        flex-direction: column;
    }

    .hero h1 {
        font-size: 1.8rem;
    }

    .section-title {
        font-size: 1.6rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .hero-buttons .btn {
        width: 100%;
    }
}

/* ============================
   额外装饰：琉璃光晕特效
   ============================ */
.glass-card {
    background: rgba(255, 255, 255, 0.5);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.04);
}

.gradient-border {
    position: relative;
    border: none;
    background: linear-gradient(135deg, #FAFAFE, #F5F3FF) padding-box,
                linear-gradient(135deg, #2EC4B6, #8B5CF6) border-box;
    border: 2px solid transparent;
}

/* 悬浮发光动画 */
@keyframes pulseGlow {
    0%, 100% { box-shadow: 0 0 20px rgba(46, 196, 182, 0.1); }
    50% { box-shadow: 0 0 40px rgba(46, 196, 182, 0.2); }
}

.pulse-glow {
    animation: pulseGlow 3s ease-in-out infinite;
}

/* 滚动渐入效果 */
.fade-in-up {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.fade-in-up.visible {
    opacity: 1;
    transform: translateY(0);
}